Iron Ace

Iron Ace is a comic book hero who as a British pilot gets shot down in WWII and rescued by a Frenchman.

He eventually dons the armor of Charlemagne when the Germans search the castle. 

He has magic armor and a magic airplane that is given to him by the Frenchman.

Actually the magic is some kind of technology that makes them impenetrable. 

This is a Caesar Miniatures European Knight with a head swap from another European Knight, mounted on a new base.